callophycoic acid B

CHEBI:65558 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

A dibenzooxepine diterpenoid that is hexahydrodibenzo[b,e]oxepine with an isolated double bond between positions 6 and 6a and is substituted by a bromo, a carboxy, a 3E-4,8-dimethylnona-3,7-dien-1-yl and a methyl group at positions 9, 2, 10 and 10 respectively (the 9S,10S,10aR stereoisomer). An isomer of callophycoic acid A, it is isolated from the Fijian red alga Callophycus serratus and exhibits antibacterial, antimalarial and anticancer activities. — ChEBI

Machine-generated and unreviewed. Identity, structure and cross-references come straight from ChEBI's and CARD's own data; no curator has signed off on this record yet.

Classification

Strictly broader compounds or drug classes this molecule belongs to.

CHEBI:22723 CHEBI:22723
CHEBI:23849 CHEBI:23849
CHEBI:37141 CHEBI:37141
CHEBI:37407 CHEBI:37407
CHEBI:38926 CHEBI:38926

Chemical structure

Computed structure properties
Molecular formula	C27H35BrO3
Charge	0
Average mass	487.478 Da
Monoisotopic mass	486.17696 Da
Source	ChEBI
InChIKey	QVXPDENFBGGWAY-FXSXARLRSA-N

SMILES

[H][C@@]12Cc3cc(C(=O)O)ccc3OC=C1CC[C@H](Br)[C@@]2(C)CC/C=C(\C)CCC=C(C)C

InChI

InChI=1S/C27H35BrO3/c1-18(2)7-5-8-19(3)9-6-14-27(4)23-16-22-15-20(26(29)30)10-12-24(22)31-17-21(23)11-13-25(27)28/h7,9-10,12,15,17,23,25H,5-6,8,11,13-14,16H2,1-4H3,(H,29,30)/b19-9+/t23-,25+,27+/m1/s1

Also called

(9S,10S,10aR)-9-bromo-10-[(3E)-4,8-dimethylnona-3,7-dien-1-yl]-10-methyl-7,8,9,10,10a,11-hexahydrodibenzo[b,e]oxepine-2-carboxylic acid (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

chemspider:23076454
reaxys:11167772

Activity roles

Every antimicrobial role a source asserts for this compound — the unreduced evidence behind its antimicrobial_class.

CHEBI:33282 CHEBI:33282
CHEBI:38068 CHEBI:38068

Source concepts

Every upstream concept that resolved to this record. The merge is the product: this is what shows ChEBI and CARD are describing the same structure.

Upstream concepts merged into this record
Source	Native ID	Label	Minted CURIE	Version
CHEBI	`CHEBI:65558`	callophycoic acid B	`antibioticmech:chebi-04e835fb6b`	2026-08-30

Curation history

SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Seeded from data/raw/ inventories (CHEBI)
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories

Provenance

Seeded by scripts/seed_from_sources.py from the committed inventories in data/raw/. View the record.